Litter box enclosure



FIG. 1 is an orthogonal view of an embodiment of a litter box enclosure with a door opening for the small animal to enter and exit the enclosure.

FIG. 2 is a front elevation of the litter box enclosure shown in FIG. 1.

FIG. 3 is a back elevation of the litter box enclosure shown in FIG. 1. The broken line showing of the moon is for the purpose of illustrating environmental structure, and forms no part of the claimed design;

FIG. 4 is a right side elevation of the litter box enclosure shown in FIG. 1. The left side elevation being a mirror image of the elevation shown in FIG. 4; and,

FIG. 5 is a top view of the litter box enclosure shown in FIG. 1. 

The ornamental design for a litter box enclosure, as shown and described. 